Fixed lint errors in Files lecture

Author: ipeirotis

data/baseball.csv

@@ -0,0 +1,101 @@
+id,player,year,stint,team,lg,g,ab,r,h,X2b,X3b,hr,rbi,sb,cs,bb,so,ibb,hbp,sh,sf,gidp
+88641,womacto01,2006,2,CHN,NL,19,50,6,14,1,0,1,2.0,1.0,1.0,4,4.0,0.0,0.0,3.0,0.0,0.0
+88643,schilcu01,2006,1,BOS,AL,31,2,0,1,0,0,0,0.0,0.0,0.0,0,1.0,0.0,0.0,0.0,0.0,0.0
+88645,myersmi01,2006,1,NYA,AL,62,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+88649,helliri01,2006,1,MIL,NL,20,3,0,0,0,0,0,0.0,0.0,0.0,0,2.0,0.0,0.0,0.0,0.0,0.0
+88650,johnsra05,2006,1,NYA,AL,33,6,0,1,0,0,0,0.0,0.0,0.0,0,4.0,0.0,0.0,0.0,0.0,0.0
+88652,finlest01,2006,1,SFN,NL,139,426,66,105,21,12,6,40.0,7.0,0.0,46,55.0,2.0,2.0,3.0,4.0,6.0
+88653,gonzalu01,2006,1,ARI,NL,153,586,93,159,52,2,15,73.0,0.0,1.0,69,58.0,10.0,7.0,0.0,6.0,14.0
+88662,seleaa01,2006,1,LAN,NL,28,26,2,5,1,0,0,0.0,0.0,0.0,1,7.0,0.0,0.0,6.0,0.0,1.0
+89177,francju01,2007,2,ATL,NL,15,40,1,10,3,0,0,8.0,0.0,0.0,4,10.0,1.0,0.0,0.0,1.0,1.0
+89178,francju01,2007,1,NYN,NL,40,50,7,10,0,0,1,8.0,2.0,1.0,10,13.0,0.0,0.0,0.0,1.0,1.0
+89330,zaungr01,2007,1,TOR,AL,110,331,43,80,24,1,10,52.0,0.0,0.0,51,55.0,8.0,2.0,1.0,6.0,9.0
+89333,witasja01,2007,1,TBA,AL,3,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89334,williwo02,2007,1,HOU,NL,33,59,3,6,0,0,1,2.0,0.0,0.0,0,25.0,0.0,0.0,5.0,0.0,1.0
+89335,wickmbo01,2007,2,ARI,NL,8,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89336,wickmbo01,2007,1,ATL,NL,47,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89337,whitero02,2007,1,MIN,AL,38,109,8,19,4,0,4,20.0,0.0,0.0,6,19.0,0.0,3.0,0.0,1.0,2.0
+89338,whiteri01,2007,1,HOU,NL,20,1,0,0,0,0,0,0.0,0.0,0.0,0,1.0,0.0,0.0,0.0,0.0,0.0
+89339,wellsda01,2007,2,LAN,NL,7,15,2,4,1,0,0,1.0,0.0,0.0,0,6.0,0.0,0.0,0.0,0.0,0.0
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+89381,seleaa01,2007,1,NYN,NL,31,4,0,0,0,0,0,0.0,0.0,0.0,1,1.0,0.0,0.0,1.0,0.0,0.0
+89382,seaneru01,2007,1,LAN,NL,68,1,0,0,0,0,0,0.0,0.0,0.0,0,1.0,0.0,0.0,0.0,0.0,0.0
+89383,schmija01,2007,1,LAN,NL,6,7,1,1,0,0,1,1.0,0.0,0.0,0,4.0,0.0,0.0,1.0,0.0,0.0
+89384,schilcu01,2007,1,BOS,AL,1,2,0,1,0,0,0,0.0,0.0,0.0,0,1.0,0.0,0.0,0.0,0.0,0.0
+89385,sandere02,2007,1,KCA,AL,24,73,12,23,7,0,2,11.0,0.0,1.0,11,15.0,0.0,1.0,0.0,0.0,2.0
+89388,rogerke01,2007,1,DET,AL,1,2,0,0,0,0,0,0.0,0.0,0.0,0,1.0,0.0,0.0,0.0,0.0,0.0
+89389,rodriiv01,2007,1,DET,AL,129,502,50,141,31,3,11,63.0,2.0,2.0,9,96.0,1.0,1.0,1.0,2.0,16.0
+89396,ramirma02,2007,1,BOS,AL,133,483,84,143,33,1,20,88.0,0.0,0.0,71,92.0,13.0,7.0,0.0,8.0,21.0
+89398,piazzmi01,2007,1,OAK,AL,83,309,33,85,17,1,8,44.0,0.0,0.0,18,61.0,0.0,0.0,0.0,2.0,9.0
+89400,perezne01,2007,1,DET,AL,33,64,5,11,3,0,1,6.0,0.0,0.0,4,8.0,0.0,0.0,3.0,0.0,2.0
+89402,parkch01,2007,1,NYN,NL,1,1,0,0,0,0,0,0.0,0.0,0.0,0,1.0,0.0,0.0,0.0,0.0,0.0
+89406,oliveda02,2007,1,LAA,AL,5,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89410,myersmi01,2007,1,NYA,AL,6,1,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89411,mussimi01,2007,1,NYA,AL,2,2,0,0,0,0,0,0.0,0.0,0.0,1,0.0,0.0,0.0,0.0,0.0,0.0
+89412,moyerja01,2007,1,PHI,NL,33,73,4,9,2,0,0,2.0,0.0,0.0,2,26.0,0.0,0.0,8.0,0.0,1.0
+89420,mesajo01,2007,1,PHI,NL,38,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89421,martipe02,2007,1,NYN,NL,5,9,1,1,1,0,0,0.0,0.0,0.0,0,6.0,0.0,0.0,2.0,0.0,0.0
+89425,maddugr01,2007,1,SDN,NL,33,62,2,9,2,0,0,0.0,1.0,0.0,1,19.0,0.0,0.0,9.0,0.0,2.0
+89426,mabryjo01,2007,1,COL,NL,28,34,4,4,1,0,1,5.0,0.0,0.0,5,10.0,0.0,0.0,0.0,0.0,1.0
+89429,loftoke01,2007,2,CLE,AL,52,173,24,49,9,3,0,15.0,2.0,3.0,17,23.0,0.0,0.0,4.0,2.0,1.0
+89430,loftoke01,2007,1,TEX,AL,84,317,62,96,16,3,7,23.0,21.0,4.0,39,28.0,1.0,2.0,2.0,3.0,5.0
+89431,loaizes01,2007,1,LAN,NL,5,7,0,1,0,0,0,2.0,0.0,0.0,0,2.0,0.0,0.0,2.0,0.0,1.0
+89438,kleskry01,2007,1,SFN,NL,116,362,51,94,27,3,6,44.0,5.0,1.0,46,68.0,2.0,1.0,1.0,1.0,14.0
+89439,kentje01,2007,1,LAN,NL,136,494,78,149,36,1,20,79.0,1.0,3.0,57,61.0,4.0,5.0,0.0,6.0,17.0
+89442,jonesto02,2007,1,DET,AL,5,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89445,johnsra05,2007,1,ARI,NL,10,15,0,1,0,0,0,0.0,0.0,0.0,1,7.0,0.0,0.0,2.0,0.0,0.0
+89450,hoffmtr01,2007,1,SDN,NL,60,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89451,hernaro01,2007,2,LAN,NL,22,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89452,hernaro01,2007,1,CLE,AL,2,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89460,guarded01,2007,1,CIN,NL,15,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89462,griffke02,2007,1,CIN,NL,144,528,78,146,24,1,30,93.0,6.0,1.0,85,99.0,14.0,1.0,0.0,9.0,14.0
+89463,greensh01,2007,1,NYN,NL,130,446,62,130,30,1,10,46.0,11.0,1.0,37,62.0,4.0,5.0,1.0,1.0,14.0
+89464,graffto01,2007,1,MIL,NL,86,231,34,55,8,0,9,30.0,0.0,1.0,24,44.0,6.0,3.0,0.0,2.0,7.0
+89465,gordoto01,2007,1,PHI,NL,44,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89466,gonzalu01,2007,1,LAN,NL,139,464,70,129,23,2,15,68.0,6.0,2.0,56,56.0,4.0,4.0,0.0,2.0,11.0
+89467,gomezch02,2007,2,CLE,AL,19,53,4,15,2,0,0,5.0,0.0,0.0,0,6.0,0.0,0.0,1.0,1.0,1.0
+89468,gomezch02,2007,1,BAL,AL,73,169,17,51,10,1,1,16.0,1.0,2.0,10,20.0,1.0,0.0,5.0,1.0,5.0
+89469,glavito02,2007,1,NYN,NL,33,56,3,12,1,0,0,4.0,0.0,0.0,6,5.0,0.0,0.0,12.0,1.0,0.0
+89473,floydcl01,2007,1,CHN,NL,108,282,40,80,10,1,9,45.0,0.0,0.0,35,47.0,5.0,5.0,0.0,0.0,6.0
+89474,finlest01,2007,1,COL,NL,43,94,9,17,3,0,1,2.0,0.0,0.0,8,4.0,1.0,0.0,0.0,0.0,2.0
+89480,embreal01,2007,1,OAK,AL,4,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89481,edmonji01,2007,1,SLN,NL,117,365,39,92,15,2,12,53.0,0.0,2.0,41,75.0,2.0,0.0,2.0,3.0,9.0
+89482,easleda01,2007,1,NYN,NL,76,193,24,54,6,0,10,26.0,0.0,1.0,19,35.0,1.0,5.0,0.0,1.0,2.0
+89489,delgaca01,2007,1,NYN,NL,139,538,71,139,30,0,24,87.0,4.0,0.0,52,118.0,8.0,11.0,0.0,6.0,12.0
+89493,cormirh01,2007,1,CIN,NL,6,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89494,coninje01,2007,2,NYN,NL,21,41,2,8,2,0,0,5.0,0.0,0.0,7,8.0,2.0,0.0,1.0,1.0,1.0
+89495,coninje01,2007,1,CIN,NL,80,215,23,57,11,1,6,32.0,4.0,0.0,20,28.0,0.0,0.0,1.0,6.0,4.0
+89497,clemero02,2007,1,NYA,AL,2,2,0,1,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89498,claytro01,2007,2,BOS,AL,8,6,1,0,0,0,0,0.0,0.0,0.0,0,3.0,0.0,0.0,0.0,0.0,2.0
+89499,claytro01,2007,1,TOR,AL,69,189,23,48,14,0,1,12.0,2.0,1.0,14,50.0,0.0,1.0,3.0,3.0,8.0
+89501,cirilje01,2007,2,ARI,NL,28,40,6,8,4,0,0,6.0,0.0,0.0,4,6.0,0.0,0.0,0.0,0.0,1.0
+89502,cirilje01,2007,1,MIN,AL,50,153,18,40,9,2,2,21.0,2.0,0.0,15,13.0,0.0,1.0,3.0,2.0,9.0
+89521,bondsba01,2007,1,SFN,NL,126,340,75,94,14,0,28,66.0,5.0,0.0,132,54.0,43.0,3.0,0.0,2.0,13.0
+89523,biggicr01,2007,1,HOU,NL,141,517,68,130,31,3,10,50.0,4.0,3.0,23,112.0,0.0,3.0,7.0,5.0,5.0
+89525,benitar01,2007,2,FLO,NL,34,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89526,benitar01,2007,1,SFN,NL,19,0,0,0,0,0,0,0.0,0.0,0.0,0,0.0,0.0,0.0,0.0,0.0,0.0
+89530,ausmubr01,2007,1,HOU,NL,117,349,38,82,16,3,3,25.0,6.0,1.0,37,74.0,3.0,6.0,4.0,1.0,11.0
+89533,aloumo01,2007,1,NYN,NL,87,328,51,112,19,1,13,49.0,3.0,0.0,27,30.0,5.0,2.0,0.0,3.0,13.0
+89534,alomasa02,2007,1,NYN,NL,8,22,1,3,1,0,0,0.0,0.0,0.0,0,3.0,0.0,0.0,0.0,0.0,0.0

data/phonetest.txt

@@ -0,0 +1,14 @@
+679-397-5255
+2126660921
+212-998-0902
+888-888-2222
+800-555-1211
+800 555 1212
+800.555.1213
+(800) 555-1214
+1-800-555-1215
+1(800)555-1216
+800-555-1212-1234
+800-555-1212x1234
+800-555-1212 ext. 1234
+work 1-(800) 555.1212 #1234

notes/L-Files.ipynb

@@ -64,7 +64,7 @@
     "# Create a file numbers.txt and write the numbers from 0 to 24 there\n",
     "f = open(\"numbers.txt\", \"w\")\n",
     "for num in range(25):\n",
-    "    f.write(str(num)+'\\n')\n",
+    "    f.write(str(num) + \"\\n\")\n",
     "f.close()"
    ]
   },
@@ -158,7 +158,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "lines = content.split(\"\\n\") # we get back a list of strings\n",
+    "lines = content.split(\"\\n\")  # we get back a list of strings\n",
     "print(lines)"
    ]
   },
@@ -169,9 +169,9 @@
    "outputs": [],
    "source": [
     "# here we convert the strings into integers, using a list comprehension\n",
-    "# we have the conditional to avoid trying to parse the string '' that \n",
+    "# we have the conditional to avoid trying to parse the string '' that\n",
     "# is at the end of the list\n",
-    "numbers = [int(line) for line in lines if len(line)>0]\n",
+    "numbers = [int(line) for line in lines if len(line) > 0]\n",
     "print(numbers)"
    ]
   },
@@ -192,7 +192,7 @@
    "source": [
     "####  Exercise 1\n",
     "\n",
-    "* Write a function that reads a file and returns its content as a list of strings (one string per line). Read the file with filename `data/restaurant-names.txt`. If you stored your notebook under `Student_Notebooks` the full filename is `/home/ubuntu/jupyter/NYU_Notes/2-Introduction_to_Python/data/restaurant-names.txt`"
+    "* Write a function that reads a file and returns its content as a list of strings (one string per line). Read the file with filename `../data/restaurant-names.txt`."
    ]
   },
   {
@@ -208,7 +208,7 @@
    "source": [
     "####  Exercise 2\n",
     "\n",
-    "* Write a function that reads the n-th column of a CSV file and returns its contents. (Reuse the function that you wrote above.) Then reads the file `data/baseball.csv` and return the content of the 5th column (`team`)."
+    "* Write a function that reads the n-th column of a CSV file and returns its contents. (Reuse the function that you wrote above.) Then reads the file `../data/baseball.csv` and return the content of the 5th column (`team`)."
    ]
   },
   {
@@ -224,35 +224,12 @@
    "source": [
     "#### Exercise 3 \n",
     "\n",
-    "The command below will create a file called `phonetest.txt`. Write code that:\n",
-    "* Reads the file `phonetest.txt`\n",
+    "Write code that:\n",
+    "* Reads the file `../data/phonetest.txt`\n",
     "* Write a function that takes as input a string, and removes any non-digit characters\n",
     "* Print out the \"clean\" string, without any non-digit characters"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "%%file phonetest.txt\n",
-    "679-397-5255\n",
-    "2126660921\n",
-    "212-998-0902\n",
-    "888-888-2222\n",
-    "800-555-1211\n",
-    "800 555 1212\n",
-    "800.555.1213\n",
-    "(800) 555-1214\n",
-    "1-800-555-1215\n",
-    "1(800)555-1216\n",
-    "800-555-1212-1234\n",
-    "800-555-1212x1234\n",
-    "800-555-1212 ext. 1234\n",
-    "work 1-(800) 555.1212 #1234"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -276,49 +253,33 @@
    "outputs": [],
    "source": []
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
   {
    "cell_type": "markdown",
-   "metadata": {},
+   "metadata": {
+    "solution2": "hidden",
+    "solution2_first": true
+   },
    "source": [
-    "#### Solution for exercise 4 (with a lot of comments)"
+    "#### Solution for exercise 3 (with a lot of comments)"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "solution2": "hidden"
+   },
    "outputs": [],
    "source": [
     "# this function takes as input a phone (string variable)\n",
     "# and prints only its digits\n",
     "def clean(phone):\n",
-    "    # We initialize the result variable to be empty. \n",
-    "    # We will append to this variable the digit characters \n",
+    "    # We initialize the result variable to be empty.\n",
+    "    # We will append to this variable the digit characters\n",
     "    result = \"\"\n",
     "    # This is a set of digits (as **strings**) that will\n",
     "    # allow us to filter the characters\n",
-    "    digits = {\"0\",\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\",\"8\",\"9\"}\n",
+    "    digits = {\"0\", \"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7\", \"8\", \"9\"}\n",
     "    # We iterate over all the characters in the string \"phone\"\n",
     "    # which is a parameter of the function clean\n",
     "    for c in phone:\n",
@@ -327,20 +288,22 @@
     "            # if it is, we append it to the result\n",
     "            result = result + c\n",
     "    # once we are done we return a string variable with the result\n",
-    "    return result \n",
+    "    return result\n",
     "\n",
-    "# This is an alternative, one-line solution that uses a list \n",
-    "# comprehension to create the list of acceptable characters, \n",
-    "# and then uses the join command to concatenate all the \n",
-    "# characters in the list into a string. Notice that we use \n",
+    "\n",
+    "# This is an alternative, one-line solution that uses a list\n",
+    "# comprehension to create the list of acceptable characters,\n",
+    "# and then uses the join command to concatenate all the\n",
+    "# characters in the list into a string. Notice that we use\n",
     "# the empty string \"\" as the connector\n",
     "def clean_oneline(phone):\n",
-    "    digits = {\"0\",\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\",\"8\",\"9\"}\n",
+    "    digits = {\"0\", \"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7\", \"8\", \"9\"}\n",
     "    return \"\".join([c for c in phone if c in digits])\n",
     "\n",
+    "\n",
     "# your code here\n",
     "# We open the file\n",
-    "f = open(\"phonetest.txt\", \"r\")\n",
+    "f = open(\"../data/phonetest.txt\", \"r\")\n",
     "# We read the content using the f.read() command\n",
     "content = f.read()\n",
     "# Close the file\n",
@@ -351,16 +314,6 @@
     "for line in lines:\n",
     "    print(line, \"==>\", clean(line))"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "# Let's clean up\n",
-    "!rm phonetest.txt"
-   ]
   }
  ],
  "metadata": {
@@ -379,7 +332,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.2"
+   "version": "3.8.2"
   }
  },
  "nbformat": 4,